<template>
  <div>
      <!-- 商品分类三级列表 -->
      <TypeNav></TypeNav>
      <div class="main">
        <div class="py-container">
          <!--bread:面包屑，带有x的结构的-->
          <div class="bread">
            <ul class="fl sui-breadcrumb">
              <li>
                <a href="#">全部结果</a>
              </li>
            </ul>
            <ul class="fl sui-tag">
              <!-- 分类的面包屑 -->
              <li class="with-x" v-if="searchParams.categoryName">
                {{ searchParams.categoryName}}<i @click="removeCategoryName">×</i>
              </li>
              <!-- 关键字的面包屑 --> 
              <li class="with-x" v-if="searchParams.keyword">
                {{ searchParams.keyword }}<i @click="removeKeyword">×</i>
              </li>
              <!-- 品牌的面包屑 -->
              <li class="with-x" v-if="searchParams.trademark">
                {{ searchParams.trademark.split(":")[1]
                }}<i @click="removeTradeMark">×</i>
              </li>
              <!--平台的售卖的属性值展示 -->
              <li class="with-x"
                v-for="(attrValue, index) in searchParams.props" :key="index" >
                {{ attrValue.split(":")[1] }}<i @click="removeAttr(index)">×</i>
              </li>
            </ul>
          </div>
          <!--selector-->
          <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo" />
          <!--details-->
          <div class="details clearfix">
                <div class="sui-navbar">
                  <div class="navbar-inner filter">
                    <!-- 排序的解构 -->
                    <ul class="sui-nav">
                      <li :class="{ active: isOne }" @click="changeOrder('1')">
                        <a
                          >综合<span
                            v-show="isOne"
                            class="iconfont"
                            :class="{ 'icon-UP': isAsc, 'icon-DOWN': isDesc }"
                          ></span
                        ></a>
                      </li>
                      <li :class="{ active: isTwo }" @click="changeOrder('2')">
                        <a
                          >价格<span
                            v-show="isTwo"
                            class="iconfont"
                            :class="{ 'icon-UP': isAsc, 'icon-DOWN': isDesc }"
                          ></span
                        ></a>
                      </li>
                    </ul>
                  </div>
                </div> 
                 <!-- 销售产品列表 -->
                <div class="goods-list">
                  <ul class="yui3-g">
                    <li
                      class="yui3-u-1-5"
                      v-for="(good, index) in goodsList" :key="good.id">
                      <div class="list-wrap">
                        <div class="p-img">
                          <!-- 在路由跳转的时候切记别忘记带id（params）参数 -->
                          <router-link :to="`/detail/${good.id}`">
                            <!-- <img :src="good.defaultImg" /> -->
                             <!-- 图片懒加载 -->
                            <img v-lazy="good.defaultImg" />
                          </router-link>
                        </div>
                        <div class="price">
                          <strong>
                            <em>¥</em>
                            <i>{{ good.price }}.00</i>
                          </strong>
                        </div>
                        <div class="attr">
                          <a
                            target="_blank"
                            href="item.html"
                            title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                            >{{ good.title }}</a
                          >
                        </div>
                        <div class="commit">
                          <i class="command">已有<span>2000</span>人评价</i>
                        </div>
                        <div class="operate">
                          <a
                            href="success-cart.html"
                            target="_blank"
                            class="sui-btn btn-bordered btn-danger"
                            >加入购物车</a
                          >
                          <a href="javascript:void(0);" class="sui-btn btn-bordered"
                            >收藏</a
                          >
                        </div>
                      </div>
                    </li>
                  </ul>
                </div>
                 <!-- 分页器 -->
                 <!-- <Pagination :pageNo="31"  :pageSize="3" :total="99" :continues="5" @getPageNo="getPageNo"/> -->
                 <Pagination
                    :pageNo="searchParams.pageNo"
                    :pageSize="searchParams.pageSize"
                    :total="total"
                    :continues="5"
                    @getPageNo="getPageNo"
                  />
          </div>
        </div>
      </div>
  </div>
</template>

<script> 
import SearchSelector from './SearchSelector.vue';
import {mapState,mapGetters} from 'vuex'
export default {
  name:'Search',
  data() {
    return {
      searchParams: {
        //产品相应的id
        category1Id: "",
        category2Id: "",
        category3Id: "",
        //产品的名字
        categoryName: "",
        //搜索的关键字
        keyword: "",
        //排序:初始状态应该是综合且降序
        order: "1:desc",
        //第几页
        pageNo: 1,
        //每一页展示条数
        pageSize: 3,
        //平台属性的操作
        props: [],
        //品牌
        trademark: "",
      },
    };
  },
  components:{
    SearchSelector
  },
   //在挂载之前调用一次|可以在发请求之前将带有参数进行修改
   beforeMount() {
    //在发请求之前，把接口需要传递参数，进行整理（在给服务器发请求之前，把参数整理好，服务器就会返回查询的数据）
    Object.assign(this.searchParams, this.$route.query, this.$route.params);
  },
  mounted(){
    this.getData();
  },
  computed:{
    ...mapGetters('search',['goodsList','trademarkList','attrsList','total']),
    isOne() {
      return this.searchParams.order.indexOf("1") != -1;
    },
    isTwo() {
      return this.searchParams.order.indexOf("2") != -1;
    },
    isAsc() {
      return this.searchParams.order.indexOf("asc") != -1;
    },
    isDesc() {
      return this.searchParams.order.indexOf("desc") != -1;
    },

    // //获取search模块展示产品一共多少数据
    // ...mapState('search',[]),

  },
  methods:{
     //把发请求的这个action封装到一个函数里面
    //将来需要再次发请求，你只需要在调用这个函数即可
    getData() {
      this.$store.dispatch("search/getSearchInfo",this.searchParams)
    },
     //删除分类的名字
     removeCategoryName() {
      //把带给服务器的参数置空了，还需要向服务器发请求
      //带给服务器参数说明可有可无的：如果属性值为空的字符串还是会把相应的字段带给服务器
      //但是你把相应的字段变为undefined，当前这个字段不会带给服务器
      this.searchParams.categoryName = undefined;
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
      this.getData();
      //地址栏也需要需改：进行路由跳转(现在的路由跳转只是跳转到自己这里)
      //严谨：本意是删除query，如果路径当中出现params不应该删除，路由跳转的时候应该带着
      if (this.$route.params) {
          this.$router.push({ name: "Search", params: this.$route.params });
      }
    },
     //删除关键字
     removeKeyword() {
      //给服务器带的参数searchParams的keyword置空
      this.searchParams.keyword = undefined;
      //再次发请求
      this.getData();
      //通知兄弟组件Header清除关键字
      this.$bus.$emit("clear");
      //进行路由的跳转
      if (this.$route.query) {
        this.$router.push({ name: "Search", query: this.$route.query });
      }
    },
     //自定义事件回调
     trademarkInfo(trademark) {
        //1:整理品牌字段的参数  "ID:品牌名称"
        this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`;
        //再次发请求获取search模块列表数据进行展示
        this.getData();
    },
    //删除品牌的信息
     removeTradeMark() {
        //将品牌信息置空
        this.searchParams.trademark = undefined;
        //再次发请求
        this.getData();
    },
     //收集平台属性地方回调函数（自定义事件）
    attrInfo(attr, attrValue) {
        //["属性ID:属性值:属性名"]
        console.log(attr, attrValue);
        //参数格式整理好
        let props = `${attr.attrId}:${attrValue}:${attr.attrName}`;
        //数组去重
        //if语句里面只有一行代码：可以省略大花括号
        if (this.searchParams.props.indexOf(props) == -1)
           this.searchParams.props.push(props);
           //再次发请求
           this.getData();
    },
    //removeAttr删除售卖的属性
    removeAttr(index) {
      //再次整理参数
      this.searchParams.props.splice(index, 1);
      //再次发请求
      this.getData();
    },
     //排序的操作
     changeOrder(flag) {
        //flag:用户每一次点击li标签的时候，用于区分是综合（1）还是价格（2）
        //现获取order初始状态【咱们需要通过初始状态去判断接下来做什么】
        let originOrder = this.searchParams.order;
        let orginsFlag = originOrder.split(":")[0];
        let originSort = originOrder.split(":")[1];
        //新的排序方式
        let newOrder = "";
        //判断的是多次点击的是不是同一个按钮
        if (flag == orginsFlag) {
          newOrder = `${orginsFlag}:${originSort == "desc" ? "asc" : "desc"}`;
        } else {
          //点击不是同一个按钮
          newOrder = `${flag}:${"desc"}`;
        }
        //需要给order重新赋值
        this.searchParams.order = newOrder;
        //再次发请求
        this.getData();
    },
     //自定义事件的回调函数---获取当前第几页
      getPageNo(pageNo) {
          //整理带给服务器参数
          this.searchParams.pageNo = pageNo;
          //再次发请求
          this.getData();
    },

  },
  //数据监听：监听组件实例身上的属性的属性值变化
  watch: {
    //监听路由的信息是否发生变化，如果发生变化，再次发起请求
    $route(newValue, oldValue) {
      //每一次请求完毕，应该把相应的1、2、3级分类的id置空的，让他接受下一次的相应1、2、3
      //再次发请求之前整理带给服务器参数
      Object.assign(this.searchParams, this.$route.query, this.$route.params);
      //再次发起ajax请求
      this.getData();
      //分类名字与关键字不用清理：因为每一次路由发生变化的时候，都会给他赋予新的数据
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
    },
  },

  
}
</script>

<style lang="less" scoped>
   .main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>